2011-2012 Porsche 911 (997) Carrera GTS Carbon Ceramic Brake Rotors 8 Series StopFlex optimized both the low-metallic

StopFlex optimized both the low-metallic resin-composite pad and the disc's ceramic coating for cold starts

Honest physics first: any cold carbon-ceramic disc bites a little softer than cold iron until it reaches temperature

Wheel Size Perf 375mm 340mm 19" Std 345mm 320mm 18"

Honest answer: any cold carbon-ceramic disc bites a little less than cold iron on the first stops — that's normal physics

and that's the reason most GLA45 owners land here

2011-2012 Porsche 911 (997) Carrera GTS Carbon Ceramic Brake Rotors 8 Series StopFlex optimized both the low-metallicReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2011 2012 Porsche 911 (997) Carrera GTS. Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size GTS 4 GTS 330mm 330mm 17" optional PCCB 350mm 350mm 18" Keep Your Factory Calipers? Yes if your front factory calipers are fixed 4 piston or more. The